Home / 43,465.55-65,197.08-13,885.16

Finding the Fourth Proportional to 43,465.55, 65,197.08 and 13,885.16

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Solution

The fourth proportional to 43,465.55, 65,197.08 and 13,885.16 is: 20,827.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,465.55 : 65,197.08 = 13,885.16 : x
  2. Step 2: Convert to fraction form
    43,465.55/65,197.08 = 13,885.16/x
  3. Step 3: Cross multiply
    43,465.55x = 65,197.08 × 13,885.16
  4. Step 4: Simplify right side
    43,465.55x = 905,271,887.33
  5. Step 5: Solve for x
    x = 905,271,887.33/43,465.55
  6. Step 6: Final answer
    x = 20,827.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.